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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the demonstration applications of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "glextensions.h" |
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43 |
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44 #define RESOLVE_GL_FUNC(f) ok &= bool((f = (_gl##f) context->getProcAddress(QLatin1String("gl" #f)))); |
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45 |
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46 bool GLExtensionFunctions::resolve(const QGLContext *context) |
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47 { |
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48 bool ok = true; |
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49 |
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50 RESOLVE_GL_FUNC(GenFramebuffersEXT) |
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51 RESOLVE_GL_FUNC(GenRenderbuffersEXT) |
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52 RESOLVE_GL_FUNC(BindRenderbufferEXT) |
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53 RESOLVE_GL_FUNC(RenderbufferStorageEXT) |
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54 RESOLVE_GL_FUNC(DeleteFramebuffersEXT) |
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55 RESOLVE_GL_FUNC(DeleteRenderbuffersEXT) |
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56 RESOLVE_GL_FUNC(BindFramebufferEXT) |
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57 RESOLVE_GL_FUNC(FramebufferTexture2DEXT) |
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58 RESOLVE_GL_FUNC(FramebufferRenderbufferEXT) |
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59 RESOLVE_GL_FUNC(CheckFramebufferStatusEXT) |
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60 |
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61 RESOLVE_GL_FUNC(ActiveTexture) |
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62 RESOLVE_GL_FUNC(TexImage3D) |
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63 |
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64 RESOLVE_GL_FUNC(GenBuffers) |
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65 RESOLVE_GL_FUNC(BindBuffer) |
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66 RESOLVE_GL_FUNC(BufferData) |
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67 RESOLVE_GL_FUNC(DeleteBuffers) |
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68 RESOLVE_GL_FUNC(MapBuffer) |
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69 RESOLVE_GL_FUNC(UnmapBuffer) |
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70 |
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71 return ok; |
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72 } |
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73 |
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74 bool GLExtensionFunctions::fboSupported() { |
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75 return GenFramebuffersEXT |
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76 && GenRenderbuffersEXT |
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77 && BindRenderbufferEXT |
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78 && RenderbufferStorageEXT |
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79 && DeleteFramebuffersEXT |
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80 && DeleteRenderbuffersEXT |
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81 && BindFramebufferEXT |
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82 && FramebufferTexture2DEXT |
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83 && FramebufferRenderbufferEXT |
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84 && CheckFramebufferStatusEXT; |
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85 } |
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86 |
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87 bool GLExtensionFunctions::openGL15Supported() { |
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88 return ActiveTexture |
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89 && TexImage3D |
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90 && GenBuffers |
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91 && BindBuffer |
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92 && BufferData |
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93 && DeleteBuffers |
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94 && MapBuffer |
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95 && UnmapBuffer; |
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96 } |
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97 |
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98 #undef RESOLVE_GL_FUNC |